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All results from a given calculation for C3H4O2S (2H-Thiete-1,1-dioxide)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-663.338290
Energy at 298.15K-663.343497
HF Energy-662.729121
Nuclear repulsion energy295.170075
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3312 3169 2.32      
2 A 3251 3111 0.55      
3 A 3128 2993 0.99      
4 A 1570 1502 1.71      
5 A 1512 1447 3.97      
6 A 1273 1218 21.01      
7 A 1188 1137 9.90      
8 A 1058 1012 0.35      
9 A 988 945 30.50      
10 A 930 890 116.87      
11 A 745 713 18.57      
12 A 589 563 64.31      
13 A 520 497 29.75      
14 A 333 319 11.24      
15 A 281 269 12.05      
16 A 3220 3081 0.00      
17 A 1106 1059 31.46      
18 A 1053 1007 159.77      
19 A 910 870 12.80      
20 A 858 821 16.22      
21 A 757 725 61.11      
22 A 395 378 0.44      
23 A 185 177 0.07      
24 A 181 173 2.97      

Unscaled Zero Point Vibrational Energy (zpe) 14671.4 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 14037.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/6-31G
ABC
0.15712 0.08652 0.07873

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.213 0.487 0.000
O2 0.582 1.234 1.388
O3 0.582 1.234 -1.388
C4 -1.490 -0.426 0.000
H5 -2.496 -0.023 0.000
C6 -0.929 -1.660 0.000
H7 -1.444 -2.617 0.000
C8 0.582 -1.481 0.000
H9 1.121 -1.750 0.914
H10 1.121 -1.750 -0.914

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.61861.61861.93242.75622.43163.51872.00302.58212.5821
O21.61862.77552.99593.60263.54714.56743.04943.06933.8071
O31.61862.77552.99593.60263.54714.56743.04943.80713.0693
C41.93242.99592.99591.08331.35572.19182.32593.06783.0678
H52.75623.60263.60261.08332.26612.79953.40624.11164.1116
C62.43163.54713.54711.35572.26611.08721.52162.24672.2467
H73.51874.56744.56742.19182.79951.08722.32272.85802.8580
C82.00303.04943.04942.32593.40621.52162.32271.09471.0947
H92.58213.06933.80713.06784.11162.24672.85801.09471.8279
H102.58213.80713.06933.06784.11162.24672.85801.09471.8279

picture of 2H-Thiete-1,1-dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H5 129.967 S1 C4 C6 93.726
S1 C8 C6 86.100 S1 C8 H9 109.402
S1 C8 H10 109.402 O2 S1 O3 118.047
O2 S1 C4 114.775 O2 S1 C8 114.290
O3 S1 C4 114.775 O3 S1 C8 114.290
C4 S1 C8 72.435 C4 C6 H7 127.254
C4 C6 C8 107.738 H5 C4 C6 136.307
C6 C8 H9 117.419 C6 C8 H10 117.419
H7 C6 C8 125.008 H9 C8 H10 113.203
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability